Writings and videos about science activities with an emphasis on environmental science and energy measurement

Browsing Archive: June, 2014

Bad News on Hydrogen Fuel Cell Cars

Posted by Antonio Chaves on Thursday, June 5, 2014, In : environmental news 
This article based on well-to-wheel analysis exposes some inconvenient truths about hydrogen fuel cell cars. Even though I am fascinated by the fuel cell principle and even include a lab activity on fuel cells, I have never been a fan of fuel cell cars. In fact, two of my activities (Lab 2-2: Transportation and Lab 3-6: Fuel Cell Dynamics) expose the inefficiency of extracting hydrogen from water for purposes of using it in fuel cells. This is why most hydrogen is extracted from natural gas (...
Continue reading ...
 

Second Edition Update

Posted by Antonio Chaves on Wednesday, June 4, 2014, In : modified lab procedures 
I have not been much of a blogger because I am concentrating all my efforts on getting the new edition out before the end of the summer. The most important change I am doing is making many of the activities easier and more uniform in the amount of effort needed. I had to do this to deal with my new teaching situation. I am also trying to incorporate new activities and fix some glitches in some old activities. One significant glitch involves the use of thiosulfate to neutralize the toxic effec...
Continue reading ...
 
« Back to posts
 

About this blog

This blog was originally created in January 2013 to serve as a means for providing updates on science activities from the environmental science lab manual Ecology, Development, and Sustainability. I have now expanded its purpose to include other items of interest to science teachers. 

Make a free website with Yola